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Thread: BSOD - Driver IRQL not less or equal - 0x000000D1 - KMXCF.SYS

  1. #1
    SallyW67 Guest

    BSOD - Driver IRQL not less or equal - 0x000000D1 - KMXCF.SYS


    Hi, I'm a very new user of this forum and haven't posted before, but
    here goes (fingers crossed I get it right!) ....


    I have a Toshiba Satellite Pro Laptop running Vista Business (SP1) &
    M/S Office 2003. I have just started to get the following problem which
    seems to occur when email starts to be downloaded, Outlook downloads the
    first 5 or so the I get a 'blue screen of death', with the following
    text - *Driver_IRQL_not_less_or_equal*

    *STOP: 0x000000D1 (0x87800000, 0x00000002, 0x00000000,
    0xA7F44970)*

    *KmxCF.sys - Address A7F44970 base at A7F32000, Datestamp
    47171068*
    I had to photograph the BSOD to get this information becuase it whizzed
    through it's physical memory dump in less than 3 seconds! Once the
    machine is re-booted I can access Control Panel, Hard Disks, Printers &
    some applications but as soon as I try to receive email (outlook 2003)
    or connect to the internet it crashes - joy!
    I've surfed to try and find some answers and come up with ideas but
    nothing which is exactly the same as my error and no suggestions as to
    how to fix this. One thread has suggested CA Security is the problem
    (KmxCF.sys file) and yes, I'm running CA Security Suite 2008. I have
    used this to run a virus and trojen check and come up with zero
    problems, I have also checked for updates and mine is totally up to
    date, as well as checking their site for details (none, as expected from
    the CA site, they are useless at helping solve problems!)

    Please, please can anyone help me - I'm now on the 8th BSOD today and
    can't get to important work emails which I need to reply to. Help, help,
    help please :confused:

    Thanks

    Sally


    --
    SallyW67
    Posted via http://www.vistaheads.com


  2. #2
    the wharf rat Guest

    Re: BSOD - Driver IRQL not less or equal - 0x000000D1 - KMXCF.SYS

    Have you tried uninstalling CA?

  3. #3
    Karl Snooks Guest

    Re: BSOD - Driver IRQL not less or equal - 0x000000D1 - KMXCF.SYS

    SallyW67,
    If you Safe Boot, does the problem still exist?

    If no, then using the Startup tab of MSCONFIG.EXE, uncheck (you can always
    check them again-they won't disappear from the list) everything that is not
    from MS or Toshiba.

    System still work?

    Go back to MSCONFIG and check one of the items you checked. Restart. Keep
    repeating this process until you find an interfering program.

  4. #4
    SallyW67 Guest

    Re: BSOD - Driver IRQL not less or equal - 0x000000D1 - KMXCF.SYS

    Thanks Wharf Rat, 'not yet' (was trying to avoid that if at all possible
    as it was originally a real b****r to get to run on Vista in the first
    place!).
    I have tried disabling the 'virus' part and the 'firewall' part and by
    doing that I'm able to access and receive emails for 10 minutes (wow)
    until it DSOD again.
    I think I'll have to 'uninstall' totally
    Thanks again

  5. #5
    Colin Barnhorst Guest

    Re: BSOD - Driver IRQL not less or equal - 0x000000D1 - KMXCF.SYS

    The fact that it was a "real b****r to get to run on Vista " should tell you
    that it has issues and that you might be better served by a differet AV
    solution. AVG and AVAST are both free for home users and well-liked in the
    community.

  6. #6
    SallyW67 Guest

    Re: BSOD - Driver IRQL not less or equal - 0x000000D1 - KMXCF.SYS

    Kevin - you are a star, thank you.
    Did as you suggested as well as going into Device Manager and under
    'non plug n play drivers' changed the properties of the file in
    'startup' type to "demand"
    Hey presto -I have mail!
    Thank you for your help

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